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← GeographyWhich mineral deposition pattern indicates stable cave climate?
A)Concentric 'onion' layering in speleothems✓
B)Unidirectional flowstone across steep slopes
C)Angular unconformities in sediment deposits
D)Dendritic patterns of manganese oxide crusts
💡 Explanation
Concentric layering indicates consistent, slow mineral precipitation from dripping water due to stable temperature and humidity levels; this is driven by the water table steady state. Therefore, regular banding, rather than formations influenced by varied inputs, displays annual climate stability.
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